PARTICIPATION ACTIVITY #$5$

A block attached to a spring is moving vertically. Its position at time $t$ is given by $s(t)=4sint.$ Find $v(\frac{}{4})$ and $).$

Enter the exact answers.

$v(\frac{}{4})=$

$a(\frac{}{4})=$

Compare these values and decide whether the block is speeding up or slowing down.

It is $$